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Clean Water Act discharge permit · NPDES TXR05DD44

NOV - QUALITY TUBING, Houston, TX: NPDES TXR05DD44 discharge permit, effluent exceedances, inspections, penalties

NOV - QUALITY TUBING, held by National Oilwell Varco, L.P., holds NPDES permit TXR05DD44. EPA’s file records it issued December 1, 2016 and expiring August 13, 2021.

NOV - QUALITY TUBING, Houston, Texas: Coverage under a general permit TXR05DD44, held by National Oilwell Varco, L.P.; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued December 1, 2016, term to August 13, 2021.

Texas holds 8,480 Industrial stormwater coverages of this permit type in EPA’s file; 98 were issued before TXR05DD44. National Oilwell Varco, L.P. holds 18 permits in Texas.

Other permits held by National Oilwell Varco, L.P.

Coverages issued nearest TXR05DD44

NOV - QUALITY TUBING among its neighbors

EPA’s permit file holds 560 discharge permits in the Clear Creek-Frontal Galveston Bay subwatershed (HUC 120402040100), TXR05DD44 among them.

Other permits in the Clear Creek-Frontal Galveston Bay subwatershed (HUC 120402040100)

What the register holds for NOV - QUALITY TUBING: its NPDES ID, its permit type and status, its dates, its address in Houston, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR05DD44.

Identity

Facility as filedNOV - QUALITY TUBING
Permittee as filedNational Oilwell Varco, L.P.
NPDES IDTXR05DD44
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedDecember 1, 2016
Expiration dateAugust 13, 2021
AddressHouston, TX 77049
SubwatershedClear Creek-Frontal Galveston Bay (HUC 120402040100)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR05DD44.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR05DD44.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR05DD44.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TXR05DD44.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TXR05DD44.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

NOV - QUALITY TUBING is one of 428 storm water industrial permits on EPA's NPDES register in Houston, and 1.4% of those permits have a violation on file. The permit is also one of 560 NPDES permits in the Clear Creek-Frontal Galveston Bay subwatershed, and 1.9% of the 428 storm water industrial permits in Houston have an earlier issue date than this permit.